Senior AI/ML Engineer

Optum; Hyderabad; Sur place; INR 1 200 000 - 2 100 000; Plein temps

Résumé du poste

Optum is seeking an experienced ML Engineer to contribute to ML and Generative AI architectures, build embedding models, and support RAG pipelines. You will work with AI/ML engineers to enhance models, design scalable AI pipelines, and integrate AI solutions across enterprise systems.

The role requires hands-on experience with Databricks, Spark, Python, Scala, SQL, and strong communication skills for cross-functional collaboration.

Qualifications

• Bachelor’s/Master’s in CS, Engineering, Mathematics/Statistics, or related field.
• 4+ years of relevant experience, including solid ML model development.
• Hands-on expertise in Databricks, Spark, Python, Scala, SQL.
• LLM & GenAI Skills: Creating custom embedding models, building RAG pipelines, vector DBs & semantic search, LangChain, OpenAI/Azure APIs, Azure cloud, CI/CD with Git, GitHub Actions/Jenkins, Terraform.

Responsabilités

• Contribute to experimentation with novel ML and Generative AI architectures.
• Create and maintain embedding models (domain-specific embeddings, document/text embeddings).
• Support Retrieval Augmented Generation (RAG) solutions, including semantic search, vector databases, and LLM integration.
• Help design and implement AI powered enterprise applications.
• Analyze large datasets to identify trends, patterns, and actionable insights.
• Partner with AI/ML Engineers to enhance models and improve accuracy.
• Optimize AI pipelines for scalability, performance, reliability, and cost efficiency.
• Integrate AI/ML solutions into enterprise systems with data engineering, product, and platform teams.
• Collaborate with cross-functional teams and stakeholders, communicating complex concepts clearly.
• Contribute to skill development for engineers and interns in AI/LLM techniques.
• Comply with company policies, procedures, and directives.
• Comply with all applicable Company policies, procedures, and business directives.

Connaissances

ML model development

Python

Scala

SQL

LLM & GenAI skills

RAG pipelines

Embeddings models

LangChain

OpenAI/Azure APIs

Azure cloud

Vector DBs

semantic search

Formation

Bachelor’s/Master’s in CS/Engineering/Math/Stats

Outils

Databricks

Spark

Git

GitHub Actions

Jenkins

Terraform

Azure OpenAI APIs

Azure cloud

Description du poste

Improve the lives of others while Caring. Connecting. Growing together.

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.

Primary Responsibilities:

• Contribute to experimentation with novel ML and Generative AI architectures
• Create and maintain embedding models (domain-specific embeddings, document/text embeddings)
• Support Retrieval Augmented Generation (RAG) solutions, including semantic search, vector databases, and LLM integration
• Help design and implement AI powered enterprise applications
• Analyze large datasets to identify trends, patterns, and actionable insights
• Partner with AI/ML Engineers and Leads to enhance existing models and improve model accuracy and performance
• Optimize AI pipelines for scalability, performance, reliability, and cost efficiency
• Integrate AI/ML solutions into enterprise systems by partnering closely with data engineering, product, and platform teams
• Collaborate effectively with cross-functional teams and stakeholders, communicating complex technical concepts clearly
• Contribute to skill development for engineers and interns in AI/LLM techniques
• Comply with company policies, procedures, and directives
• Comply with all applicable Company policies, procedures, and business directives, changes including those relating to work location, team assignments, work schedules, and flexible work arrangements

Required Qualifications:

• Bachelor’s/Master’s in CS, Engineering, Mathematics/Statistics, or related
• 4+ years of relevant experience, including solid ML model development
• Hands-on expertise in Databricks, Spark, Python, Scala, SQL
• LLM & GenAI Skills:
  • Creating custom embedding models
  • Building RAG pipelines
  • Vector DBs & semantic search
  • Using LangChain for agentic workflows (tools, agents, memory)
  • Experience with OpenAI/Azure OpenAI APIs
  • Experience with Azure cloud for compute, security, and resource management
  • CI/CD familiarity using Git, GitHub Actions/Jenkins, Terraform
• Proven solid ability to build ML models end to end (data prep → feature creation → training → evaluation)
• Proven excellent communication and partnership skills

Preferred Qualifications:

• Experience with multimodal or transformer-based models
• NLP or enterprise search experience
• Domain knowledge
• Knowledge of Call Center (Member & Provider)
• Knowledge of Provider RCM
• Knowledge of EHR/clinical datasets
• Proven healthcare or PI/FWA analytics exposure

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone–of every race, gender, sexuality, age, location and income–deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes — an enterprise priority reflected in our mission.

UnitedHealth Group is committed to working with and providing reasonable accommodations to individuals with physical and mental disabilities. If you need special assistance or accommodation for any part of the application process, please call 1-866-566-8715 to be connected to Recruitment Services. Recruitment Services hours of operation are 7 a.m. to 7 p.m. CT, Monday through Friday.

UnitedHealth Group is a registered service mark of UnitedHealth Group, Inc. The UnitedHealth Group name with the dimensional logo, as well as the dimensional logo alone, are both service marks for the UnitedHealth Group, Inc.

Diversity creates a healthier atmosphere: UnitedHealth Group is an Equal Employment Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.